Transcript for Teen Gets $70,000 Settlement from School in Facebook Lawsuit

The Minnesota teen who won a big settlement from her school after it searched her Facebook account, she says that violated her constitutional rights and ABC's gio Benitez has the story. Reporter: This morning, one Minnesota student's legal battle over Facebook posts could send shock waves through schools across the country. A $70,000 settlement three years after then sixth grader Reilly Stratton, 12 at the time posted a message about a hall monitor. I posted on my Facebook saying I didn't like this Kathy person. I hated this Kathy person because she was mean. Despite not using a school computer she said she received a detention and forced to write a letter of apology. It didn't end there. Several days later school officials received a complaint that Reilly and a male classmate were having private conversations on Facebook about sex, again, not on school computers. That's when she says school officials made a demand. Interrogated me and forced me to give my password to them and I didn't want detention so I had to give them it. Reporter: The aclu taking on the case saying Riley's constitutional rights were violated like the rights to free speech and privacy and suing for emotional distress. Students have lots of free speech rights on campus but even more enhanced when off campus so that made it a more egregious violation of Riley's constitutional rights. The two settled and while the school district isn't admitting wrongdoing the superintendent now saying "We'll be certainly much more cautious about punishing people for things they say off-campus outside of school time." I lost trust in adults. I'm just happy it's over. Riley is now being home-schooled for "Good morning America," gio Benitez, ABC news, New York.

This transcript has been automatically generated and may not be 100% accurate.

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